133830385824 has 96 divisors (see below), whose sum is σ = 353004148224. Its totient is φ = 44394817280.

The previous prime is 133830385771. The next prime is 133830385831. The reversal of 133830385824 is 428583038331.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20388367 + ... + 20394929.

It is an arithmetic number, because the mean of its divisors is an integer number (3677126544).

Almost surely, 2^133830385824 is an apocalyptic number.

It is an amenable number.

133830385824 is an abundant number, since it is smaller than the sum of its proper divisors (219173762400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133830385824 is a wasteful number, since it uses less digits than its factorization.

133830385824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7570 (or 7562 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 133830385824 in words is "one hundred thirty-three billion, eight hundred thirty million, three hundred eighty-five thousand, eight hundred twenty-four".